The 6263 introduced screw-down chronograph pushers and a black acrylic tachymeter bezel—Rolex's most refined interpretation of the manual-wind Cosmograph. Alongside its steel-bezel sibling the 6265, it defined the last generation of manual Daytonas before the 1988 Zenith El Primero era. Standard 6263s wear 'Big Red' or white 'Sigma' dials; the exotic Paul Newman variants (typically references 6263, 6265, or 6262) command extraordinary premiums, particularly the 'RCO' (Rolex Cosmograph Oyster) triple-signed examples. Case originality on a 6263 is critical: pushers, crown, and bezel are all frequent service-replaced items.
← The Rolex Directory
Reference
6263
Cosmograph Daytona
1969–1988
The screw-down-pusher Daytona that closed the manual-wind era.
- Case
- 37mm
- Caliber
- Valjoux 727
- Years
- 1969–1988
What to watch for
Non-matching pushers and crown, refinished dials, replacement bezels, and MK dial confusion across the reference's 19-year run.